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staging: rts5208: Add a check for ms_read_extra_data

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In ms_copy_page, the function ms_read_extra_data may fail for many
reasons. The fix adds a check similar to other invocation to return
error upstream.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aditya Pakki 2018-12-27 13:35:53 -06:00 committed by Greg Kroah-Hartman
parent 75f3da8958
commit 73b69c01cc
1 changed files with 4 additions and 1 deletions
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5
drivers/staging/rts5208/ms.c
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@ -1665,7 +1665,10 @@ static int ms_copy_page(struct rtsx_chip *chip, u16 old_blk, u16 new_blk,
return STATUS_FAIL;
}
ms_read_extra_data(chip, old_blk, i, extra, MS_EXTRA_SIZE);
retval = ms_read_extra_data(chip, old_blk, i, extra,
MS_EXTRA_SIZE);
if (retval != STATUS_SUCCESS)
return STATUS_FAIL;
retval = ms_set_rw_reg_addr(chip, OverwriteFlag,
MS_EXTRA_SIZE, SystemParm, 6);